OE4002 high input impedance preamplifier
6nV//√Hzinput noise
Gain of 10/20/50/100
FET input, 100 MΩ input impedance
Gain accuracy 2%
High common mode rejection
1Hz~300kHz Gain bandwidth
Principle block diagram
Input
Input impedance 10MΩ//10pF
Inputs Single-ended or differential
Maximum input 70mVrms(Overload)
Noise (typ.)
10Hz 22.1nV/√Hz
1kHz 6.2nV/√Hz
10kHz 5.7nV/√Hz
100kHz 5.6nV/√Hz
Coupling AC(0.16Hz)
CMRT 100dB(100Hz)
Input bandwidth 1Hz~300kHz
Gain 10，20，50，100
Gain accuracy 2% max
Outputs
A signal, single-ended
B shielded ground
Maximum output 7Vrms
Power 12V DC
